Common Venting Using Metal-lined Masonry Chimney
MAX. LENGTH
- SEE NOTE 1
BELOW,
4 in, (102rmm) _'_
OTHER
APPLIANCE
i 1i
EXTERLOR
CHIMNEY WITH
I!11 <s,
PERMANENTLY
SEALED FIREPLACE
OPENING
NOTE 1 o Refer to the provided venting tables for installations in the USA and the venting tables in CAN/CGA.B149.1 for insfalletlons Canada
NOTE 2 - Either single*watied or double.walled vent connector may be used. Refer to the capacity e_luirementa shown in the
provided venting tables for installations in USA end the venting tables in current CAN/CGA-B1411.1for Installations in Canada,
FIGURE 15
NOTE- Refer to provided venting tables
for installations in the USA and the
venting tables in current CAN/CGA-
B14g I for installations in Canada.
Common Venting Using Tile-tined Interior Masonry
Chimney and Combined Vent Connector
MiNiMUM LENGTH = AS SHORT AS PRACTICAL
FOR MAXIMUM LENGTH SEE NOTE TO LEFT
APPLIANCE
CONNECTOR
INTERIOR TILE-L] NED
MASONRY CHIMNEY
NOTE- chimney must be property
sized par provided venting tables
or lined with listed metal lining
system,
SEALED FIREPLACE
OPENING
Note1 - Eithersingle-walledordouble.walledventconnectormaybeused.Referto thecapacity requirementsas shownInthe pro-
videdventing tables for InstallationsIn USAand the ventingtables In currentCAN/CGA-B141l.ffor installationsin Canada,
FIGURE t6
General Venting Requirements
All G24M furnaces must be vented according to these
instructions.
1 - Vent diameter recommendations and maximum al-
lowable pipingrunsare found inthe providedventing
tables forthe USA,and the appropriateventingtables
in the standards of CAN/CGA B149.1 and B149.2 of
the Natural Gas and Propane Installation Code for
Canada,
2 - In nocase shouldthevent or vent connectordiameter
be less than the diameter specifiedin the provided
ventingtablesfor the USA, andthe appropriatevent-
ingtables in the standardsof CAN/CGA B149.1 and
B149.2 of the Natural Gas and Propane Installation
Code forCanada,
Page 13
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